Drug & Alcohol Testing - Steroid, ETG & More
At Redwood Toxicology Laboratory, Inc. (RTL), one of the nation's premier forensic drug testing facilities, we offer comprehensive, low-cost drug testing options. We deliver the certainty of science, the dependability of proven processes and the assurance of legally defensible results. Together with our Reditest® substance abuse screening devices, RTL offers complete drug screening solutions.

Our laboratory performs testing in accordance with strict forensic standards and scientifically accepted methods. Each drug and alcohol test is performed by a highly educated, experienced staff using state-of-the-art equipment under the scrutiny of state and federal agencies.
Whether you perform 10 or 10,000 drug tests per month, RTL will provide your agency with exceptional customer support. Our staff specializes in assisting agencies nationwide with implementing successful drug testing programs. At RTL, our customers come first.
Between our laboratory drug test services and Reditest®, our on-site diagnostic screening product line, RTL offers multiple options to detect the following drugs of abuse:
| Alcohol | Methadone | |||
| Amphetamine | Methadone Metabolite | |||
| Barbiturates | Methamphetamine | |||
| Benzodiazepines | Opiates | |||
| Buprenorphine | Oxycodone | |||
| Cocaine | Phencyclidine | |||
| Cotinine/Nicotine | Propoxyphene | |||
| Marijuana | Tricyclic Antidepressants | |||
| MDMA (Ecstasy) | EtG Alcohol Metabolite | |||
| Androgenic anabolic steroids | Prohormones | |||
| Designer anabolic steroids | Essential masking & anti-estrogen agents | |||
| GHB (gamma hydroxybutric acid) |
Fentanyl | |||
New! Detect 600+ Prescription Brands with Comprehensive Drug Testing. |
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Trust the drug testing experts
Not only is Redwood Toxicology Laboratory a leader in the drug testing industry, but we are also one of the only single-location drug testing laboratories in the nation. While there are now many drug testing providers to choose from, none of them possess the level of expertise that Redwood Toxicology Laboratory does. Put our years of experience in drug testing to work for you. We offer on-site substance abuse screening devices, web-based toxicology reporting, highly trained scientists and excellent customer service. Our laboratory drug screening and/or confirmation services include EtG testing, GHB testing, steroid testing and more. Whether you need urine screening or saliva drug test analysis, choose RTL for confidence in testing.
To learn more about Redwood Toxicology Laboratory call: 800-255-2159



